Multiple Choice
The functional unit of skeletal muscle
A) is the smallest contractile component of a muscle fiber
B) is the area between two Z lines
C) is the sarcomere
D) contains only one A band
E) exhibits all of the above characteristics
Correct Answer:
Verified
Correct Answer:
Verified
Q43: The heart initiates its own action potentials
Q44: An action potential rapidly spreads to the
Q45: Order the following muscle cell components from
Q46: Muscle relaxation does not take place until
Q47: Summation events result from increasing amounts of
Q49: The corticospinal system<br>A)consists of fibers originating in
Q50: Indicate which characteristic applies to the specific
Q51: Indicate which characteristic applies to the specific
Q52: During muscle contraction,<br>A)the Z lines move farther
Q53: Indicate which type of muscle is associated